document.write( "Question 474149: For a normally distributed population, mean of 6.5 and standard
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document.write( "deviation of 4, compute:
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document.write( "a. The probability of picking one item from the population and having it fall between 6.5 and 14.5
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Algebra.Com's Answer #325181 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! For a normally distributed population, mean of 6.5 and standard \n" ); document.write( "deviation of 4, compute: \r \n" ); document.write( "\n" ); document.write( "a. The probability of picking one item from the population and having it fall between 6.5 and 14.5\r \n" ); document.write( "\n" ); document.write( "---- \n" ); document.write( "z(6.5) = (6.5-6.5)/4 = 0 \n" ); document.write( "--- \n" ); document.write( "z(14.5) = (14.5-6.5)/4 = 2 \n" ); document.write( "---- \n" ); document.write( "P(6.5 < x < 14.5) = P(0 < z < 2) = normalcdf(0,2) = 0.4772 \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |